505532524651 has 16 divisors (see below), whose sum is σ = 643137062400. Its totient is φ = 393921444840.

The previous prime is 505532524649. The next prime is 505532524687. The reversal of 505532524651 is 156425235505.

It is not a de Polignac number, because 505532524651 - 2¹ = 505532524649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505532524598 and 505532524607.

It is not an unprimeable number, because it can be changed into a prime (505532524451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66989671 + ... + 66997216.

It is an arithmetic number, because the mean of its divisors is an integer number (40196066400).

Almost surely, 2^505532524651 is an apocalyptic number.

505532524651 is a deficient number, since it is larger than the sum of its proper divisors (137604537749).

505532524651 is a wasteful number, since it uses less digits than its factorization.

505532524651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133986919 (or 133986905 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 505532524651 in words is "five hundred five billion, five hundred thirty-two million, five hundred twenty-four thousand, six hundred fifty-one".